223346689 has 4 divisors (see below), whose sum is σ = 229383124. Its totient is φ = 217310256.

The previous prime is 223346597. The next prime is 223346699. The reversal of 223346689 is 986643322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 187142400 + 36204289 = 13680^2 + 6017^2 .

It is a cyclic number.

It is not a de Polignac number, because 223346689 - 2¹⁷ = 223215617 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (223346699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018162 + ... + 3018235.

It is an arithmetic number, because the mean of its divisors is an integer number (57345781).

It is a Proth number, since it is equal to 213 ⋅ 2²⁰ + 1 and 213 < 2²⁰.

Almost surely, 2^223346689 is an apocalyptic number.

It is an amenable number.

223346689 is a deficient number, since it is larger than the sum of its proper divisors (6036435).

223346689 is an equidigital number, since it uses as much as digits as its factorization.

223346689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036434.

The product of its digits is 373248, while the sum is 43.

The square root of 223346689 is about 14944.7880212467. The cubic root of 223346689 is about 606.7267917640.

The spelling of 223346689 in words is "two hundred twenty-three million, three hundred forty-six thousand, six hundred eighty-nine".